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Cabbage crack prevention measures
Cracking refers to cracking of Chinese cabbage leaves. Cabbage period of Chinese cabbage is the period when most nutrients and moisture are needed, and it should meet its requirements for water and fertilizer in time. 1. If the water supply is insufficient in the early period, excessive water supply at the later period will cause cracking of the leaf ball; 2. Continue to top-dress in the later period of the ball, that is, the inner leaves continue to grow too late, and the size of the outer leaf has been shaped, the leaves in the interior Under the ball expansion pressure will also cause the ball to crack; 3. If the leaf ball has matured, can not be listed in time, it will also cause cracking; 4. Long-distance transportation or storage of fresh cabbage generally only mature when 89% Harvesting, if harvesting is too mature, leaf ball cracking may also occur during transport or preservation. Cracked leaf balls can also cause soft rot or other pests. Therefore, pay attention to the uniform water supply in the cultivation, and the fertilizer should be stopped in the later period. If it can not be listed, it can be cut root in situ to prevent the root system from absorbing water and nutrients.